ON THE PROTECTION OF BUDS 95 



in a drop. It is formed by papillary outgrowths of the 

 epidermis. 



The buds of Chilocarpus look as if they were covered 

 by red sealing-wax (16). 



* 



FIGS. 140, 141. DEVELOPMENT OF HAIRS IN PLANE 



(Platanus acerifolia). 



An epidermal cell divides into two unequal parts by an oblique wall. The upper grows 

 out into a 2 -4-celled hair, the apical cell of which becomes a spherical gland-cell ; 

 a lateral cell grows out obliquely into a long, pointed, hair-like structure. 



The lower figure shows the development, the upper the perfect form of the hairs. 



The case of Taberncemontana (l,35i) is especially 

 interesting. The buds of this plant are covered with a 



